EP0731397A4 - Method and system for optimizing plant utility - Google Patents

Method and system for optimizing plant utility

Info

Publication number
EP0731397A4
EP0731397A4 EP95932239A EP95932239A EP0731397A4 EP 0731397 A4 EP0731397 A4 EP 0731397A4 EP 95932239 A EP95932239 A EP 95932239A EP 95932239 A EP95932239 A EP 95932239A EP 0731397 A4 EP0731397 A4 EP 0731397A4
Authority
EP
European Patent Office
Prior art keywords
plant utility
optimizing plant
optimizing
utility
plant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP95932239A
Other languages
German (de)
French (fr)
Other versions
EP0731397B1 (en
EP0731397A1 (en
Inventor
Yoichi Kita
Tohru Kamibayashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP22936794A external-priority patent/JP3197165B2/en
Priority claimed from JP23570394A external-priority patent/JP3431306B2/en
Application filed by Toshiba Corp filed Critical Toshiba Corp
Publication of EP0731397A1 publication Critical patent/EP0731397A1/en
Publication of EP0731397A4 publication Critical patent/EP0731397A4/en
Application granted granted Critical
Publication of EP0731397B1 publication Critical patent/EP0731397B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K13/00—General layout or general methods of operation of complete plants
    • F01K13/02—Controlling, e.g. stopping or starting
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
    • G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
    • G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
    • G05B13/04—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
    • G05B13/042—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators in which a parameter or coefficient is automatically adjusted to optimise the performance
EP95932239A 1994-09-26 1995-09-26 Method and system for optimizing plant utility Expired - Lifetime EP0731397B1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP22936794 1994-09-26
JP22936794A JP3197165B2 (en) 1994-09-26 1994-09-26 Optimal operation system for power plants
JP229367/94 1994-09-26
JP235703/94 1994-09-29
JP23570394A JP3431306B2 (en) 1994-09-29 1994-09-29 Plant utility optimization method
JP23570394 1994-09-29
PCT/JP1995/001945 WO1996010219A1 (en) 1994-09-26 1995-09-26 Method and system for optimizing plant utility

Publications (3)

Publication Number Publication Date
EP0731397A1 EP0731397A1 (en) 1996-09-11
EP0731397A4 true EP0731397A4 (en) 1996-12-04
EP0731397B1 EP0731397B1 (en) 2001-05-16

Family

ID=26528767

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95932239A Expired - Lifetime EP0731397B1 (en) 1994-09-26 1995-09-26 Method and system for optimizing plant utility

Country Status (4)

Country Link
US (1) US5886895A (en)
EP (1) EP0731397B1 (en)
DE (1) DE69520934T2 (en)
WO (1) WO1996010219A1 (en)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6434435B1 (en) * 1997-02-21 2002-08-13 Baker Hughes Incorporated Application of adaptive object-oriented optimization software to an automatic optimization oilfield hydrocarbon production management system
US6112126A (en) * 1997-02-21 2000-08-29 Baker Hughes Incorporated Adaptive object-oriented optimization software system
US6163730A (en) * 1997-08-11 2000-12-19 Motorola, Inc. Method and control system for changing the state of a plant
WO2004084371A1 (en) * 1998-08-31 2004-09-30 Kaoru Fujita Method and apparatus for optimization control of power plant
DE19918332C1 (en) * 1999-04-22 2000-10-19 Siemens Ag Plant running costs management method e.g. for fossil fuel to electric energy conversion plant
WO2001025798A2 (en) 1999-10-05 2001-04-12 L-3 Communications Corporation A method for improving the performance of micromachined devices
JP2001255903A (en) * 2000-03-14 2001-09-21 Toshiba Corp Process control system
JP3614751B2 (en) * 2000-03-21 2005-01-26 東京電力株式会社 Thermal efficiency diagnosis method and apparatus for combined power plant
US6591225B1 (en) * 2000-06-30 2003-07-08 General Electric Company System for evaluating performance of a combined-cycle power plant
EP1217473A1 (en) * 2000-12-21 2002-06-26 Abb Research Ltd. Optimizing plant control values of a power plant
US7275025B2 (en) * 2000-12-27 2007-09-25 General Electric Company Method and system for analyzing performance of a turbine
US6735490B2 (en) 2001-10-12 2004-05-11 General Electric Company Method and system for automated integration of design analysis subprocesses
DE60120192T2 (en) * 2001-11-29 2006-11-16 Abb Research Ltd. Optimum operation of a power plant
US7050943B2 (en) * 2001-11-30 2006-05-23 General Electric Company System and method for processing operation data obtained from turbine operations
US7376472B2 (en) * 2002-09-11 2008-05-20 Fisher-Rosemount Systems, Inc. Integrated model predictive control and optimization within a process control system
US20040103068A1 (en) * 2002-11-22 2004-05-27 Eker Sukru Alper Process for optimally operating an energy producing unit and an energy producing unit
US8069077B2 (en) * 2003-06-11 2011-11-29 Kabushiki Kaisha Toshiba Electric-power-generating-facility operation management support system, electric-power-generating-facility operation management support method, and program for executing support method, and program for executing operation management support method on computer
US20050171704A1 (en) * 2004-01-29 2005-08-04 Lewis Bradley M. Method for the automated quantification of power production, resource utilization and wear of turbines
DE102004058171A1 (en) * 2004-10-02 2006-04-06 Abb Technology Ag Method and module for the anticipatory start-up of steam turbines
EP1701005A1 (en) * 2005-02-21 2006-09-13 Siemens Aktiengesellschaft Method and apparatus for the calculation of energy and technical processes
US7974826B2 (en) * 2005-09-23 2011-07-05 General Electric Company Energy system modeling apparatus and methods
US7451004B2 (en) * 2005-09-30 2008-11-11 Fisher-Rosemount Systems, Inc. On-line adaptive model predictive control in a process control system
US20070135938A1 (en) * 2005-12-08 2007-06-14 General Electric Company Methods and systems for predictive modeling using a committee of models
DE102007061604A1 (en) * 2007-12-20 2009-06-25 Alstom Technology Ltd. Optimization of the operation of a power plant
US8352148B2 (en) * 2008-05-21 2013-01-08 General Electric Company System for controlling input profiles of combined cycle power generation system
US9378313B2 (en) * 2009-10-30 2016-06-28 Saudi Arabian Oil Company Methods for enhanced energy efficiency via systematic hybrid inter-processes integration
US9442470B2 (en) 2008-06-06 2016-09-13 Saudi Arabian Oil Company Methods for planning and retrofit of energy efficient eco-industrial parks through inter-time-inter-systems energy integration
US9760099B2 (en) 2008-06-06 2017-09-12 Saudi Arabian Oil Company Systems, program code, computer readable media for planning and retrofit of energy efficient eco-industrial parks through inter-time-inter-systems energy integration
CN102203780B (en) * 2008-06-06 2014-06-25 沙特阿拉伯石油公司 System and related methods for global targeting of process utilities under varying conditions
US9360910B2 (en) * 2009-10-30 2016-06-07 Saudi Arabian Oil Company Systems, computer readable media, and computer programs for enhancing energy efficiency via systematic hybrid inter-processes integration
US9606594B2 (en) 2012-03-19 2017-03-28 Saudi Arabian Oil Company Methods for simultaneous process and utility systems synthesis in partially and fully decentralized environments
WO2009150121A1 (en) * 2008-06-10 2009-12-17 Siemens Aktiengesellschaft Method for optimized power plant operation planning
EP2297622B1 (en) * 2008-06-26 2017-01-25 General Electric Technology GmbH A method of estimating the maximum power generation capacity and for controlling a specified power reserve of a single cycle or combined cycle gas turbine power plant, and a power generating system for use with said method
US8190536B2 (en) * 2008-09-10 2012-05-29 King Fahd University Of Petroleum & Minerals Method of performing parallel search optimization
US8342009B2 (en) * 2011-05-10 2013-01-01 General Electric Company Method for determining steampath efficiency of a steam turbine section with internal leakage
US20130184883A1 (en) * 2012-01-18 2013-07-18 General Electric Company System and method to control subsystems
US20130282190A1 (en) * 2012-04-24 2013-10-24 General Electric Company System and method for configuration and management of power plant assets
US10521518B2 (en) 2012-12-05 2019-12-31 Deif A/S Emulating power system operations
US9477214B2 (en) * 2013-03-07 2016-10-25 General Electric Company Plant control systems and methods
US9423781B2 (en) * 2013-03-29 2016-08-23 General Electric Company Model based control with engine perturbation feedback
JP6158107B2 (en) * 2014-02-06 2017-07-05 株式会社東芝 Energy management system
US10205322B1 (en) 2015-03-09 2019-02-12 Cummins Power Generation Ip, Inc. Economically efficient operation of a power generator
JP6720562B2 (en) * 2016-02-10 2020-07-08 富士電機株式会社 Control device, control system, control program, and control method
JP6735219B2 (en) * 2016-12-05 2020-08-05 株式会社日立製作所 Prediction system and prediction method
US11261761B2 (en) 2019-10-14 2022-03-01 Saudi Arabian Oil Company Energy real-time optimizer for steam and condensation balance using GAMS

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2568939A1 (en) * 1983-11-08 1986-02-14 Westinghouse Electric Corp SYSTEM AND METHOD FOR COGENERATION OF ELECTRIC ENERGY AND WATER VAPOR USING AN OPTIMIZATION TECHNIQUE
EP0560263A2 (en) * 1992-03-11 1993-09-15 Hitachi, Ltd. Distributed control system

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4069675A (en) * 1976-03-16 1978-01-24 Measurex Corporation Method of optimizing the performance of a multi-unit power
US4577280A (en) * 1983-11-03 1986-03-18 Westinghouse Electric Corp. Control system for fluid flow distribution
US4628462A (en) * 1984-09-11 1986-12-09 Westinghouse Electric Corp. Multiplane optimization method and apparatus for cogeneration of steam and power
JPS62170709A (en) * 1986-01-22 1987-07-27 Hitachi Ltd Load distribution controlling method for multi-peaks characteristic
JPS62212701A (en) * 1986-03-13 1987-09-18 Yokogawa Electric Corp Optimum load distribution controller
US4805114A (en) * 1987-04-20 1989-02-14 Westinghouse Electric Corp. Economical dispatching arrangement for a boiler system having a cogenerative capability
JPH0814241B2 (en) * 1988-08-10 1996-02-14 三菱重工業株式会社 Turbine controller
JPH02264303A (en) * 1989-04-04 1990-10-29 Idemitsu Kosan Co Ltd Optimum operating method for power generating system
US5077661A (en) * 1989-05-03 1991-12-31 Hewlett-Packard Company Assignment-dependent resource allocation method
JP2561265Y2 (en) * 1989-07-03 1998-01-28 三菱重工業株式会社 In-house power plant operation support equipment
JPH0782486B2 (en) * 1989-09-12 1995-09-06 株式会社日立製作所 Non-linear optimization processing method and non-linear optimization processing device
US5159562A (en) * 1990-07-31 1992-10-27 Westinghouse Electric Corp. Optimization of a plurality of multiple-fuel fired boilers using iterated linear programming
JP2823371B2 (en) * 1991-02-26 1998-11-11 株式会社東芝 Power optimization management device
US5347466A (en) * 1991-07-15 1994-09-13 The Board Of Trustees Of The University Of Arkansas Method and apparatus for power plant simulation and optimization
US5517424A (en) * 1994-03-31 1996-05-14 Electric Power Research Institute, Inc. Steam turbine fuzzy logic cyclic control method and apparatus therefor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2568939A1 (en) * 1983-11-08 1986-02-14 Westinghouse Electric Corp SYSTEM AND METHOD FOR COGENERATION OF ELECTRIC ENERGY AND WATER VAPOR USING AN OPTIMIZATION TECHNIQUE
EP0560263A2 (en) * 1992-03-11 1993-09-15 Hitachi, Ltd. Distributed control system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9610219A1 *

Also Published As

Publication number Publication date
EP0731397B1 (en) 2001-05-16
DE69520934T2 (en) 2001-10-04
DE69520934D1 (en) 2001-06-21
US5886895A (en) 1999-03-23
WO1996010219A1 (en) 1996-04-04
EP0731397A1 (en) 1996-09-11

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